66284236 has 12 divisors (see below), whose sum is σ = 122102680. Its totient is φ = 31397760.

The previous prime is 66284233. The next prime is 66284261. The reversal of 66284236 is 63248266.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66284195 and 66284204.

It is not an unprimeable number, because it can be changed into a prime (66284233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436005 + ... + 436156.

Almost surely, 2^66284236 is an apocalyptic number.

It is an amenable number.

66284236 is a deficient number, since it is larger than the sum of its proper divisors (55818444).

66284236 is a wasteful number, since it uses less digits than its factorization.

66284236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872184 (or 872182 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 66284236 is about 8141.5131271773. The cubic root of 66284236 is about 404.7033055379.

The spelling of 66284236 in words is "sixty-six million, two hundred eighty-four thousand, two hundred thirty-six".